65013685 has 16 divisors (see below), whose sum is σ = 85303872. Its totient is φ = 47174400.

The previous prime is 65013673. The next prime is 65013701. The reversal of 65013685 is 58631056.

65013685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65013685 - 2²³ = 56625077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65013685.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29005 + ... + 31165.

It is an arithmetic number, because the mean of its divisors is an integer number (5331492).

Almost surely, 2^65013685 is an apocalyptic number.

It is an amenable number.

65013685 is a deficient number, since it is larger than the sum of its proper divisors (20290187).

65013685 is a wasteful number, since it uses less digits than its factorization.

65013685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 65013685 is about 8063.1064113033. The cubic root of 65013685 is about 402.1007911260.

The spelling of 65013685 in words is "sixty-five million, thirteen thousand, six hundred eighty-five".